package com.example.educationblockchain.config;

import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("getDefaultWebSecurityManager") DefaultWebSecurityManager defaultWebSecurityManager) {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        // 设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);
        /*
              anon：无需认证就可以访问
              authc：必须认证了才能访问
              user：必须拥有记住我功能才能用
              perms：拥有对某个资源的权限才能访问
              role：拥有某个角色的权限才能访问
         */
        Map<String, String> filterMap=new LinkedHashMap<>();

        filterMap.put("/adminInfo/**","perms[admin:all]");
        filterMap.put("/studentInfo/**","perms[student:all]");
        filterMap.put("/admin/**", "perms[admin:all]");
        filterMap.put("/student/**", "perms[student:all]");
        bean.setFilterChainDefinitionMap(filterMap);
        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        bean.setUnauthorizedUrl("/toLogin");

        return bean;
    }

    // DefalutWebSecurityManager
    @Bean
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("getUserRealm") AdminRealm adminRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(adminRealm);
        // 关联UserRealm
        return securityManager;
    }
    // 创建Realm对象，需要自定义
    @Bean("getUserRealm")
    public AdminRealm getUserRealm() {
        return new AdminRealm();
    }
}
